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  2. San Francisco Syncope Rule - Wikipedia

    en.wikipedia.org/wiki/San_Francisco_Syncope_Rule

    • S - Triage systolic blood pressure < 90 A patient with any of the above measures is considered at high risk for a serious outcome such as death, myocardial infarction , arrhythmia , pulmonary embolism , stroke , subarachnoid hemorrhage , significant hemorrhage , or any condition causing a return Emergency Department visit and ...

  3. Sinusitis - Wikipedia

    en.wikipedia.org/wiki/Sinusitis

    The diagnosis of sinusitis is based on the symptoms and their duration along with signs of disease identified by endoscopic and/or radiologic criteria. [11] Sinusitis is classified into acute sinusitis and chronic sinusitis. In acute sinusitis, symptoms last for less than 4 weeks. In chronic sinusitis symptoms must be present for at least 12 ...

  4. Heart failure - Wikipedia

    en.wikipedia.org/wiki/Heart_failure

    Heart failure (HF), also known as congestive heart failure (CHF), is a syndrome caused by an impairment in the heart's ability to fill with and pump blood.. Although symptoms vary based on which side of the heart is affected, HF typically presents with shortness of breath, excessive fatigue, and bilateral leg swelling. [3]

  5. Respiratory failure - Wikipedia

    en.wikipedia.org/wiki/Respiratory_failure

    Respiratory failure is classified as either Type 1 or Type 2, based on whether there is a high carbon dioxide level, and can be acute or chronic. In clinical trials, the definition of respiratory failure usually includes increased respiratory rate, abnormal blood gases (hypoxemia, hypercapnia, or both), and evidence of increased work of breathing.

  6. High-output heart failure - Wikipedia

    en.wikipedia.org/wiki/High-output_heart_failure

    High-output heart failure is a heart condition that occurs when the cardiac output is higher than normal because of increased peripheral demand. There is a circulatory overload which may lead to pulmonary edema secondary to an elevated diastolic pressure in the left ventricle .

  7. New York Heart Association Functional Classification

    en.wikipedia.org/wiki/New_York_Heart_Association...

    The New York Heart Association (NYHA) Functional Classification provides a simple way of classifying the extent of heart failure.It places patients in one of four categories based on how much they are limited during physical activity; the limitations/symptoms are in regard to normal breathing and varying degrees in shortness of breath and/or angina.

  8. Hypertensive heart disease - Wikipedia

    en.wikipedia.org/wiki/Hypertensive_heart_disease

    In addition, hypertension precedes heart failure in 90% of cases, [7] and the majority of heart failure in the elderly may be attributable to hypertension. [17] Hypertensive heart disease was estimated to be responsible for 1.0 million deaths worldwide in 2004 (or approximately 1.7% of all deaths globally), and was ranked 13th in the leading ...

  9. Hypertensive emergency - Wikipedia

    en.wikipedia.org/wiki/Hypertensive_emergency

    In the heart, increased arterial stiffness, increased systolic blood pressure, and widened pulse pressures, all resulting from chronic hypertension, can cause significant damage. Coronary perfusion pressures are decreased by these factors, which also increase myocardial oxygen consumption, possibly leading to left ventricular hypertrophy .

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